const fs = require('fs');
const child_process = require('child_process');

// for(var i=0; i<3; i++) {
//     var workerProcess = child_process.spawn('node', ['support.js', i]);
//
//     workerProcess.stdout.on('data', function (data) {
//         console.log('stdout: ' + data);
//     });
//
//     workerProcess.stderr.on('data', function (data) {
//         console.log('stderr: ' + data);
//     });
//
//     workerProcess.on('close', function (code) {
//         console.log('子进程已退出，退出码 '+code);
//     });
// }

for(var i=0; i<3; i++) {
    var workerProcess = child_process.exec('node support.js '+i,
        function (error, stdout, stderr) {
            if (error) {
                console.log(error.stack);
                console.log('Error code: '+error.code);
                console.log('Signal received: '+error.signal);
            }
            console.log('stdout: ' + stdout);
            console.log('stderr: ' + stderr);
        });

    workerProcess.on('exit', function (code) {
        console.log('子进程已退出，退出码 '+code);
    });
}